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2. Via fence - Wikipedia

   en.wikipedia.org/wiki/Via_fence

   Spacing of the fences needs to be small in comparison to a wavelength (λ) in the substrate dielectric so as to make the fence appear solid to impinging waves. If too large, waves will be able to pass through the gaps. A common rule of thumb is to make the spacing less than λ/20 at the maximum operating frequency. [6]

3. Deck railing - Wikipedia

   en.wikipedia.org/wiki/Deck_railing

   In between the posts, two 2x4s are attached to the posts with screws for the best connection. The lower board is placed 3.5" from the top of the finish deck to the bottom of the board. The top board is placed with the top at 35" from the deck. Then the vertical 2x2 pressure treated wood balusters are installed spaced regularly every 3.5". Then ...

4. Double tee - Wikipedia

   en.wikipedia.org/wiki/Double_tee

   Double tees are connected during the construction without topping with concrete to create the parking structure floor surface. [6] A benefit of pre-topped double tees is a higher quality concrete for more durable surface to reduce traffic wears. Factories can produce the topping with minimum concrete strength of 5,000 psi. In some areas, the ...

5. Picket fence - Wikipedia

   en.wikipedia.org/wiki/Picket_fence

   By far the most time-consuming part of installing a picket fence is setting the posts. Painting with a picket fence. There are some vinyl picket fence systems on the market that are installed without digging holes or pouring concrete. These are installed by driving pipe deep into the ground, which is how chain link fence has been installed for ...

6. Beam (nautical) - Wikipedia

   en.wikipedia.org/wiki/Beam_(nautical)

   Graphical representation of the dimensions used to describe a ship. Dimension "b" is the beam at waterline.. The beam of a ship is its width at its widest point. The maximum beam (B MAX) is the distance between planes passing through the outer sides of the ship, beam of the hull (B H) only includes permanently fixed parts of the hull, and beam at waterline (B WL) is the maximum width where the ...

7. Waffle slab - Wikipedia

   en.wikipedia.org/wiki/Waffle_slab

   First the supports are built, then the pods are arranged in place, and finally the concrete is poured. This process may occur in three different approaches, however the basic method is the same in each: In situ: Formwork construction and pouring of concrete occur on site, then the slab is assembled (if required). [4]

8. Concrete cover - Wikipedia

   en.wikipedia.org/wiki/Concrete_cover

   The purpose of concrete cover is to protect the reinforcement from corrosion, fire, and other potential damage. The required concrete cover depends on several factors, including the environmental conditions to which the structure will be exposed, the size of the reinforcing steel, the concrete strength, and the type of structure being constructed.

9. Deck (building) - Wikipedia

   en.wikipedia.org/wiki/Deck_(building)

   A deck is also the surface used to construct a boardwalk over sand on barrier islands. Laying deck or throwing deck refers to the act of placing and bolting down cold-formed steel beneath roofing and concrete floors. This is usually done by an ironworker, sometimes in conjunction with a cement mason or carpenter. It regarded as one of the most ...